POETULACACEAE 85 



3. A. hirsuta Parsh. Closely resembles the last, but glandular-pubes- 

 oent all over. — Barrens west and north of Lee's Summit. May-September. 



4. A. linearis Pursh. l°-5° high, glaucous : leaves narrowly linear : 

 inflorescence pnberulent. — Adventized along railroads. Atherton to Shef- 

 field ; Hickman's Mills. Infrequent. May-September. A. Bushii Brit- 

 ton is but a depauperate form of this species. 



Family 42. AIZOACEAE A. Br. 

 Prostrate herbs with small regular flowers. Calyx 4-5-parted. Sta- 

 mens perigynous. Ovary 3-5-oelled, many-ovuled. Fruit a capsule. 



1. MOLLTTGO L. 



Flowers axillary. Sepals 5. Petals none. Stamens 3-5. Ovary 3- 

 celled and stigmas 3. Stipules scarions, deciduous. 



1. M. verticillata L. Cakpbt Weed. Leaves linear-spatulate, in 

 whorls of 5-6 : flowers on slender pedicels, 1" broad. — Usually common 

 along railroads and in sandy grounds. June-October. 



Family 43. PORTULACACEAE Eeichenb. 

 Herbs with regular unsymmetrical flowers. Sepals 2. Petals 4-5. 

 Stamens equalling petals or more numerous. Ovary 1-celled, with few to 

 many ovules. Style 2-3-clett. Capsule circumsoissile or dehiscent by 

 three valves. 



Flowers cymose-paniculate. . 1. Talinum. 



Flowers in terminal racemes. 2. Claytonia. 



Flowers axillary. 3. Portdlaca. 



■ 1. TALINUM Adans. 



Erect perennial herbs with alternate terete leaves and cymose-paniculate 

 flowers. Capsule three-valved. 



1. T. calyoinum Engelm. Flame Flower. 4''-12' high: leaves basal, 

 clustered : cymes compound : flowers V broad, pink : sepals persistent : 

 stamens 12-30. — On almost naked limestone rocks at Greenwood and 

 south of Oak Grove. Abundant in two small localities. May-Septem- 

 ber. 



2. CLAYTONIA L. 



Herbs with flowers in terminal racemes. Sepals persistent. Stamens 

 and petals 5 each. 



1. C. Virginica L. Spring Beauty. 6'-12' high from a deep solid 

 tuber : leaves few, linear-lanceolate : flowers pinkish, with darker veins, 

 J'-l' broad. — Very abundant in moist rocky woods. April-May. 



3. PORTULACA L. 



Prostrate herbs with sessile terminal flowers : petals usually 5, and 

 stamens 7-many, inserted on calyx. Capsule dehiscent by a lid. 



